208 Portland Street Columbia, MO 65201

Michael D. Williams

Mizzou logo
University of Missouri, Columbia, Missouri,

B.S., Biological Sciences, 1999

Mizzou logo
University of Missouri – Columbia School of Medicine

M.D., 2003

Dr. Michael D. Williams

Board Certification

  • Diplomate, American Board of Internal Medicine, 2006
  • Diplomate, American Board of Internal Medicine, Gastroenterology, 2010

Honors and Awards

  • Internal Medicine Extra-Mile Award, 2002
  • Outstanding Teaching Resident Award, 2005, 2006
  • Outstanding Teaching Medicine Attending Award, 2006
  • Awarded Visiting Inflammatory Bowel Disease Fellow, 2008
  • Washington University Medical Center, St. Louis, Missouri


  • Northwestern University at Mcgaw Medical Center, Chicago, IL
    Internal Medicine Residency, 2003–2006


  • St. Louis University Hospital, St. Louis, MO
    Gastroenterology Fellowship, 2007-2010

Work History

GI Associates, LLP

January 2017 – Present

Northwestern Medicine
  • Assistant Professor, Division of Gastroenterology, Northwestern Memorial Hospital, Chicago, IL
    August 2010—July 2017
  • Clinical Instructor, Hospitalist, Department of Internal Medicine, Chicago, IL
    July 2006—June 2007


Michael D. Williams


Wessinger S, Kaplan M, Choi L, Williams M, Lau C, Sharp L, Crowell MD, Keshavarzian A, Jones MP.  Increased use of selective serotonin reuptake inhibitors in patients admitted with gastrointestinal hemorrhage: a multicenter retrospective analysis. Aliment. Pharmacol. Ther. 2006; 23: 937-944.


Williams M, Ha C, Ciorba M.  Probiotics as Therapy in Gastroenterology; A Study of Physician Opinions and Recommendations. J Clin Gastroenterol. 2010; 44: 631-636.


Williams M., Kerber C., Tergin H. An unusual presentation of Lemierre’s  syndrome due to Fusobacterium nucleatum. J. Clin. Microbiol. 2003; 41(7): 3445-3448.


Williams M, Omran ML, Gordon GL. Biologic Therapy in Crohn’s Disease.  Review Article. Missouri Medicine. 2009; 106(5): 356-360.


Williams M, Budavari A, Olden KW, Jones MP. Psychosocial Assessment of Functional Gastrointestinal Disorders in Clinical Practice. In Jones MP and Crowell MD (eds) Contemporary Diagnosis and Management of Functional Digestive Disorders. Handbooks in Healthcare, Newtown, PA. In press.

Our Core Values

We treat each patient as a unique individual.

Listen & Learn
Diagnose & Treat